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แบบทดสอบความรู้ Visual Basic ในชุด 30 ข้อ ปรับปรุง : 2553-11-25 (ปรับการแสดงผล) 1. SQL statement for selects all records from the saleman table [vb045] select from saleman select * from saleman select everything from saleman select saleman ผิดทุกตัวเลือก 2. If x > 9 And < 21 Then [vb005] The above statement is True for values of x outside the range 10 to 20 The above statement is True for values of x in the range 10 to 20 The above statement can never be True The above statement is a syntax error ผิดทุกตัวเลือก 3. The User Defined Format expression "mm" is used to [vb014] Format the minutes of a Date Expression with a leading zero Format the month of a Date Expression with a leading zero Convert strings to lowercase Convert strings to uppercase ผิดทุกตัวเลือก 4. Unload me [vb023] Close control Close form Close textbox Close Sourcecode ผิดทุกตัวเลือก 5. What keyword is placed before a parameter to a function, that means it may be written to in the function [vb032] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 6. Defines the graphical height of a graphics object [vb041] GraphHeight GraphicalHeight Height ScaleHeight ผิดทุกตัวเลือก 7. control.ZOrder 0 [vb001] Places the control at the top of the Z Order Places the control at the bottom of the Z Order Sends the control to the back of the other controls Hides the control ผิดทุกตัวเลือก 8. msg = Replace("Please confirm what you can do", "do", "confirm") [vb010] msg will contain, "Please do what you can confirm" msg will contain, "Please confirm what you can confirm" msg will contain, "Please do what you can do confirm" msg will contain, "Please do what you can do" ผิดทุกตัวเลือก 9. What does the Step keyword used with the For/Next Loop do [vb019] Allows the loop to be missed if the condition is True Increments values according to the Step value Syntax error The Step keyword is illegal with counted loops ผิดทุกตัวเลือก 10. Three-letter mnemonic for a ListBox [vb028] box lbx lst lis ผิดทุกตัวเลือก 11. Which data type is most suitable for storing the cost of an item [vb037] Double Integer Currency Variant ผิดทุกตัวเลือก 12. SQL statement for updating a record [vb046] UPDATE saleman SET s_dob = #20/01/2547# WHERE s_enrolNumber = 47 UPDATE saleman WITH s_dob = #20/01/2547# WHERE s_enrolNumber = 47 UPDATE saleman s_dob = #20/01/2547# WHERE s_enrolNumber = 47 UPDATE s_dob = #20/01/2547# to s_enrolNumber = 47 ผิดทุกตัวเลือก 13. LCase("Love Education") [vb006] Returns "love education" Returns "Love Education" Returns "LOVE EDUCATION" Returns "LOVE education" ผิดทุกตัวเลือก 14. UCase("Love Education") [vb015] Returns "love education" Returns "Love Education" Returns "LOVE EDUCATION" Returns "LOVE education" ผิดทุกตัวเลือก 15. What is the name of the system variable that keeps track of the Y position of a graphical object [vb024] Y ThisY CurrentY YValue ผิดทุกตัวเลือก 16. What keyword is placed before a parameter to a function, to ensure it is read-only [vb033] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 17. The correct syntax to count backwards [vb042] For counter = 10 Down To 1 For counter = 10 To 1 Step -1 For counter = 10 To 1 Step Down For counter = 10 To 1 ผิดทุกตัวเลือก 18. How does a function get a return value [vb002] By assigning an expression to the function name By assigning an expression to the Return keyword By assigning an expression to the Function keyword Functions cannot return values ผิดทุกตัวเลือก 19. Right("Love Thailand",3) [vb011] Returns "Lov" Returns "Tha" Returns "and" Returns "LTd" ผิดทุกตัวเลือก 20. What function is used to identify the first element in an array [vb020] First Begin LBound Start ผิดทุกตัวเลือก 21. Three-letter mnemonic for a Timer [vb029] tim tme timer tmr ผิดทุกตัวเลือก 22. Best describes a Counted loop [vb038] A loop that performs the test at the start A loop that performs the test at the end A loop that iterates a predetermined number of times A loop that counts backwards ผิดทุกตัวเลือก 23. SQL Statement for delete all records from a table [vb047] DELETE FROM saleman where s_enrolNumber=ALL DELETE FROM saleman where s_enrolNumber=s_enrolNumber DELETE FROM saleman DELETE ALL FROM saleman ผิดทุกตัวเลือก 24. Me.Circle (1000, 2000), 300 [vb007] The X position for the center of the circle is 1000 The X position for the left of the circle is 1000 The X position for the center of the circle is 2000 The X position for the left of the circle is 2000 ผิดทุกตัวเลือก 25. What does a post-condition loop do [vb016] Perform the test at the start of the loop Perform the test at the end of the loop Loop a predetermined number of times count backwards ผิดทุกตัวเลือก 26. What is the result of setting the DragMode for a control to Automatic [vb025] The MouseDown, MouseMove and MouseUp Event are disabled The MouseDown, MouseUp and Click Event are disabled The GotFocus Event is disabled The control is able to move without any user intervention ผิดทุกตัวเลือก 27. What will Hex(100) return [vb034] 75 100 64 128 ผิดทุกตัวเลือก 28. Properties cannot be set at run-time [vb043] Height Width Name Top ผิดทุกตัวเลือก 29. How would you make a form Transparent [vb003] Set the BackStyle Property of the Form to Transparent Set the WindowMode of the Form to Transparent Use API calls Use ODBC ผิดทุกตัวเลือก 30. The SelStart Property of a TextBox is used to [vb012] Identify the start of the Text There is no such Property Identify the start of highlighted text Identify the color ผิดทุกตัวเลือก